過載裂縫 的英文怎麼說

中文拼音 [guòzǎilièféng]
過載裂縫 英文
overload crack
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 縫名詞1. (接合處) seam 2. (縫隙) crack; crevice; fissure; slit
  • 裂縫 : 1. (裂開的縫兒) rent; rip; hiatus; tear; rift; crevice; crack; fissure 2. [地質學] fracture; rupture
  1. The paper studied tests on three epiboly profiled bar concrete beams, bearing capacity of normal section, stiffness and behavior of cracks, and put forward formulas as advise. based on extant nonlinear concrete theory, a fem model was built by ansys program. the results of fem analysis was verified by tests data. some parameters in fem model were changed to build different models and the analysis results were compared with the advised formulas

    本文通三根外包型鋼混凝土梁試驗,研究了其正截面承能力、剛度以及方面的性質,並提出了一些相關建議公式。同時在現有混凝土非線性分析理論的基礎上,採用ansys有限元分析程序建立了外包型鋼混凝土梁的有限元模型,結合試驗數據對模型進行了驗證,另外還改變了一些參數建立了有限元模型,並和建議公式的結果進行了對比。
  2. Through the dry and wet cycling experiment on unmarred beam and pre - cracked beam, the position of initial corrosion and influence of crack on the reinforcing bar corrosion are studied in this paper both the flexural bearing capacity performance and the material mechanical performance of the beams are studied on the test of full scale concrete beam a model of 3d fem is established to simulate the state of the actual full - sized rc beam and electronic accelerating test beams, computational results and test results are compared

    對混凝土梁的干濕循環試驗,研究了在混凝土梁中的鋼筋初始銹蝕情況,以及不同寬度的對于鋼筋初始銹蝕的影響。通對足尺銹蝕混凝土梁的試驗,研究了混凝土梁在海洋環境侵蝕作用下的材料性能的變化和抗彎承能力的變化。
  3. First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed

    )的全程關系曲線。其次基於上面的三個假定,選擇合理的本構關系,利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析,分析了加固梁的荷-撓度關系、材料的應力情況、的分佈情況等。最後提出了承力計算公式和正常使用狀態下撓度計算公式。
  4. According to the dynamic evolvement rules of the stress, strain and fracture distribution or fatigue cracking mechanism, fatigue equation and axle load conversion of the steel bridge deck asphalt mixture surfacing are proposed

    依據鋼橋面瀝青混合料鋪裝體系復合結構的應力場、應變場和損傷場在疲勞程中的動態演變規律以及疲勞的形成機理,推導出鋼橋面瀝青鋪裝層疲勞性能方程和車輛軸換算公式。
  5. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    對路面板底界面開、路面板中積聚、擴展和路面表面車板相互作用及其對路面疲勞破壞的影響等三個層面的研究和分析,首次提出水泥混凝土路面的開和破壞程可以分為三個階段,即路面板底初始損傷西南交通大學博士研究生學位論文第11頁和早期的形成階段、使用期間荷作用對路面造成的開損傷累計、加劇和擴展階段以及路面斷破壞階段。
  6. Virtually, it is a process that the ac material gradually deteriorates and forms cracks under the traffic loads

    其實質是瀝青結構層在交通荷循環作用下內部逐漸出現損傷劣化形成宏觀程。
  7. The main contents are as follows. by the experiments of two joints under low - reversed cyclic loading, the paper analyzes the failure pattern, energy dissipation, ductility and cracking in the joint cores, evaluates the seismic performances and anti - crack behaviors of the joints, and deduces the anti - crack formula of the subassemblage and prestressed frame joint. through the fini te element analysis software ansys, the paper analyzes the specimens nonlinearly, and the theoretical analysis results are well consistent with those of the experiment

    主要內容包括:通兩榀節點在低周反復荷作用下的試驗,分析其破壞形態、耗能能力、延性性能和節點核芯區開展情況,評估節點的抗震性能和抗能力,推導出預壓裝配式框架節點的抗驗算公式;並運用ansys對試驗中的節點進行了非線性分析,計算結果與試驗結果基本吻合。
  8. Through the investigation research on practical damaged element, considering the effect of corrosion, high temperature, wet environment, damage ( crack ) on structural durability, bearing capacity. this paper established the reliability analysis method of large - scale industrial factory, and applied the fuzzy mathematics to establish the factor set and weight coefficient set on the basis of expert experience. an analyzed method for fuzzy evaluation of structural element and bent frame structure system reliability is put forward

    對實際結構破損構件的調查,考慮腐蝕,高溫,環境潮濕,破損()等因素對結構耐久性、承力的影響,論文建立了大型工業廠房可靠度的計算方法,利用專家經驗和模糊數學方法建立了模糊評價的因素集和權重集,對鋼筋砼結構構件和廠房排架結構體系進行了模糊評價。
  9. On the base of the research about the prestressed concrete structures at chongqing jianzhu university, a convenient and practical way to control the cracks is introduced in the pages, which is called the method of nominal tension stress that control the width of cracks by the nominal tension stress ftk under the working loads and the limited loads

    文中在參考重慶建築大學多年研究成果的基礎上,通研究四榀預應力框架梁的發展情況,推薦了一套了實際結構工程設計中方便的控制方法? ?以名義拉應力ftk控制短期荷及長期荷作用下預應力梁的要求。
  10. At first, development of various cracks carefully recorded and strains on both the rebars and the stirrups were measured in detail, together with the deflections of the beam. in such a way, correlation between the measured strain profiles of the reinforcement and the observed cracking development of each specimen was pursued. principal factors contributing to the cracking pattern and failure mode were figured out as a result

    首先,通單調靜力加試驗研究,對梁的延伸和開展、縱筋應變、箍筋應變、梁的撓度等指標進行了細致的量測,試圖追蹤每一試件在發展及破壞程中縱筋應變狀態的變化和發展程度的相關性,進而總結出有腹筋約束梁開展及鋼筋應力分佈的一般規律。
  11. On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed

    借鑒已有試驗的經驗,本文設計和完成了對18根超高強混凝土無腹筋梁(包括9根簡支梁和9根約束梁)在集中荷下抗剪強度的試驗,觀察了試件從出現到完全破壞失去承能力全程的試驗現象並通拍照進行記錄,獲得了試件的斜出現荷、臨界斜和極限荷等荷值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及撓度值等。
  12. According to test results of two specimens of local transfer rc joint from inclined column to beeline - shaped wall under vertical static loads and results of corresponding finite element analysis ( ansys ), fundamental behaviors of the joint are achieved, which include paths of vertical load transfer before and after cracking, stress distributions, occurrence and development of cracks and final failure mode of the joint

    本文通兩個鋼筋混凝土斜柱?一字形薄壁柱局部轉換節點在豎向荷作用下的靜力試驗以及有限元分析,獲得了該節點的基本性能,其中包括開前後的豎向荷的傳遞路徑、試件應力分佈,的發生、發展,及試件最後的破壞形態等。
  13. Secondly, through the examination and observation of the structural model of the cast - in - place pre - stressed compound floor slab system, under the normal usage load, the normal usage limit - state and the failing load, we have validated the space working - feature of the structural model under variable loads, including the rigidity, the crack, failing - state, failing load and the stress variation of the pre - stressed bar, and so on

    其次,通對該體系的結構模型在正常使用荷、正常使用極限狀態和破壞狀態下的試驗研究,驗證了現澆預應力復合樓蓋體系模型結構在各種荷作用下的空間工作性能,包括剛度、、破壞形態、極限承力及預應力筋的應力變化狀態等。
  14. Through comparing and analyzing of bearing capacity, development of crack and strain of reinforced, the results show that the load - deflection plots f or specimens from the finite element analysis agree well with the experimental data, and choosing the rightful stress - strain relationship, utilizing ansys program, the test process can be well simulated. at the same time, making used of the program, the traditional shear wall is analyzed. it shows that comparing with the traditional shear wall, the hollow shear wall ' s cracking load drop 16 %, yield load and failure load drop 13 %, stiffness drop 13 % ~ 22 %

    其次在試驗的基礎上,將試驗手段、有限元數值模擬方法和理論分析結合起來,利用有限元程序ansys對其中的兩片墻板進行非線性有限元分析,並對前後的承性能,發展、鋼筋應變進行了比較和分析,結果表明有限元節點模型分析的荷-位移曲線和試驗測得數據符合良好,選用合理的材料本構模型,利用ansys可以較好的模擬試驗程;同時利用有限元模型對比分析了普通剪力墻和空心剪力墻,空心剪力墻與普通剪力墻對比,其開下降16 ,屈服荷、極限荷下降13 ,剛度下降13 22 ,開至屈服、屈服至極限荷階段的剛度衰減規律與普通剪力墻基本一致,空心剪力墻的後期剛度比較穩定。
  15. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用程中,由於受其自身及外界各種因素的影響,常常會產生一些缺陷,對結構物的承能力和耐久性造成嚴重影響,採用無損檢測技術進行質量檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重點討論了超聲波法檢測混凝土結構的基本原理和方法及其特點、適用范圍,運用動力有限元數值模擬其檢測程,探討了有缺陷的混凝土結構在脈沖荷作用下彈性波的傳播及其變化特徵,研究了不同深度下首波相位變化規律,得出了反轉臨界點與深度之間的關系,這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術,它是利用聲波穿透被檢測體獲取聲波接收時間,來進行計算機反演成像的技術。
  16. A 1 / 7 - scale model of three - bay, three - span frame - bent r. c. structure is the first and the largest size in the same testing field in china by now. following studies are chiefly conducted in this chapter : the mechanism behavior of the structure under horizontal earthquake load, including the characteristics of seismic force, the deformed performance, yielding sequence, energy dissipation capacity etc. ; the changing rule of the dynamic characteristics and the stiff degrading in different experimental stages ; the location of the weak stories and the seismic capacity of the structure

    在試驗中主要研究了以下內容:在水平力作用下框排架結構的整體變形能力以及各層的層間變形的大小;框排架結構在不同階段的動力變化規律;框排架柱的變形和承能力;錯層對結構性能的影響、模型結構開展程及塑性鉸形成的先後順序、不同階段該結構的剛度退化規律及滯回耗能特性等。
  17. The paper made up a flexural experiment with six pieces of composite slab. during the every step of load exerted, the paper recorded the strain of cold - form steel deck and concrete, deflection, crack, slide, ultimate bearing capacity. by changing the thickness of cold - form deck, thickness and strength of concrete, amount of steel stud and other parameters, the paper discussed the behavior of loaded composite - slab

    本文進行6塊組合板的抗彎性能試驗,測試各級荷下壓型鋼板及砼應變、組合板撓度、、板端滑移、組合板抗彎極限承力;通壓型鋼板厚度、砼板厚度、砼強度等級、栓釘數量等幾個參數的變化,探討組合板在荷作用下的內力、變形情況。
  18. In the paper, through the example of the waiting hall of xt an international airport, several main questions meet in the design have been discussed, analyzed and solved, which include in negative friction force around pile in collapsible loess, the calculating method of bearing capacity of pile. the crack control methods of analysis and design in the super - length reinforced structure have been tested in the project, and reached the effect to be hoped

    本文通西安咸陽國際機場新航站樓工程設計的具體實例,分析、論述了建築結構在設計中遇到並解決的幾個主要問題:如自重濕陷性黃土場地樁基負摩阻力問題;淺層土雖經強夯但下層土仍有可能產生負摩阻力時樁的承力計算方法;對鋼筋混凝土結構的控制實現超長設計的分析和設計對策,經工程驗證,達到了預期的效果。
  19. Abstract : a number of comprehensive study data of cores, structures, inclusions, well - testing performance and fracture pressure gradient have shown that there are several fracture types in the jurassic tight sandstone reserviors of western sichuan basin, such as local structures, subtraction ( load relieving ), stratification and corrosion etc. the leading origin type of fracture is the paleo - subtractive one formed by uplifting subtraction during geohistorical process, which is the main percolation passage in the process of oil / gas concentration, reservoiring and production

    文摘:川西侏羅系緻密砂巖儲層中,存在局部構造、卸、層理及溶蝕等數種類型,而由地史程中的隆升卸作用形成的古卸是主導,也是油氣富集、成藏及產出程中的主要滲濾通道。
  20. ( 3 ) reinforced concrete frame columns modeled by using three - dimensional solid element to concrete and three - dimensional bar to reinforcing steel bar, and at the same time consideration the adhesive bond between reinforcing steel bar and concrete, the fem is used. by choosing reasonable element, determining mesh division and load steps, simulation of load - displacement, cracking, yielding and ultimate load, crack development history, and calculating fail crack diagram of reinforcement concrete frame columns under laterally monotonic load are conducted. the analyses are compared with the experimental results

    ( 3 )混凝土用三維實體單元、鋼筋用空間桿單元對鋼筋混凝土框架柱進行三維建摸,而且同時考慮了鋼筋和混凝土的粘結性能,通合理的單元選取、網格劃分及荷步的確定,模擬了單調荷作用下鋼筋混凝土框架柱的荷啦移曲線、開、屈服荷及最大荷發展規律、計算破壞圖,並與相應的試驗結果進行了比較分析。
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